Assets Held for Sale - Summary of Assets and Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Total assets held for sale	$ 353,622	$ 0
Total liabilities held for sale	53,030	$ 0
Held for sale [Member]
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Operating lease right-of-use assets	9,600
Held for sale [Member] | London 10, Paris 8 and other Europe properties, and New York 12 [Member]
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]
Property, plant and equipment	264,807
Operating lease right-of-use assets	9,557
Goodwill	68,499
Intangible assets	2,669
Deferred tax assets	1,557
Other assets	6,533
Total assets held for sale	353,622
Current portion of operating lease liabilities	667
Current portion of finance lease liabilities	112
Operating lease liabilities, less current portion	9,224
Finance lease liabilities, less current portion	41,709
Deferred tax liabilities	335
Other liabilities	983
Total liabilities held for sale	$ 53,030